This photo taken Sept. 11, 2001 by the New York City Police Department and obtained by ABC News, which claims to have obtained it under the Freedom of Information Act, shows smoke and ash engulfing the area around the World Trade Center in New York. (AP Photo/NYPD via ABC News, Det. Greg Semendinger)
This photo taken Sept. 11, 2001 by the New York City Police Department and obtained by ABC News, which claims to have obtained it under the Freedom of Information Act, shows smoke and ash engulfing the area around the World Trade Center in New York. (AP Photo/NYPD via ABC News, Det. Greg Semendinger
This photo taken Sept. 11, 2001 by the New York City Police Department and obtained by ABC News, which claims to have obtained it under the Freedom of Information Act, shows smoke and ash rising in the area around the World Trade Center in New York. (AP Photo/NYPD via ABC News, Det. Greg Semendinger)
In this Sept. 11, 2001 photo made by the New York City Police Department and provided by ABC News, Tuesday Feb. 9, 2010 the first World Trade Center tower begins to implode in New York, after terrorists flew two airliners into the towers. (AP Photo/NYPD via ABC News, Det. Greg Semendinger)
In this Sept. 11, 2001 photo made by the New York City Police Department and provided by ABC News, Tuesday Feb. 9, 2010 a World Trade Center tower implodes in New York, after terrorists flew two airliners into the towers. (AP Photo/NYPD, via ABC News, Det. Greg Semendinger)
In this Sept. 11, 2001 photo made by the New York City Police Department and provided by ABC News Tuesday Feb. 9, 2010, smoke and ash engulf lower Manhattan after terrorists flew two airliners into the World trade Center towers. (AP Photo/NYPD, via ABC News, Det. Greg Semendinger)
In this Sept. 11, 2001 photo made by the New York City Police Department and provided by ABC News, Tuesday Feb. 9, 2010 smoke billows from the grounds of World Trade Center in New York after terrorists flew two airliners into the towers. (AP Photo/AP Photo/NYPD via ABC News, Det. Greg Semendinger)
In this Sept. 11, 2001 photo made by the New York City Police Department and provided by ABC News Tuesday Feb. 9, 2010 smoke billows from a World Trade Center tower in New York, after terrorists flew two airliners into the towers. (AP Photo/NYPD via ABC News, Det. Greg Semendinger)
In this Sept. 11, 2001 photo made by the New York City Police Department and provided by ABC News, Tuesday Feb. 9, 2010, white ash covers the downtown area near the grounds of World Trade Center in New York, after terrorists flew two airliners into the towers. (AP Photo/NYPD via ABC News, Det. Greg Semendinger)
In this Sept. 11, 2001 photo made by the New York City Police Department and provided by ABC News, Tuesday Feb. 9, 2010, smoke billows from the grounds of World Trade Center in New York after terrorists flew two airliners into the towers. (AP Photo/NYPD via ABC News, Det. Greg Semendinger)
In this Sept. 11, 2001 photo made by the New York City Police Department and provided by ABC News, Tuesday Feb. 9, 2010 smoke and ash rise above downtown high-rise buildings and engulf lower Manhattan after terrorists flew two airliners into the World Trade Center towers. (AP Photo/NYPD, via ABC News, Det. Greg Semendinger)
In this Sept. 11, 2001 photo made the the New York City Police Department and provided by ABC News, Tuesday Feb. 9, 2010 the upper floors of the World Trade Center tower burns after terrorists flew an airliner into it. (AP Photo/NYPD, via ABC News, Det. Greg Semendinger)
This photo taken Sept. 11, 2001 by the New York City Police Department and obtained by ABC News, which claims to have obtained it under the Freedom of Information Act, shows smoke and ash engulfing the area around the World Trade Center in New York. (AP Photo/NYPD via ABC News, Det. Greg Semendinger
This photo taken Sept. 11, 2001 by the New York City Police Department and obtained by ABC News, which claims to have obtained it under the Freedom of Information Act, shows smoke and ash rising in the area around the World Trade Center in New York. (AP Photo/NYPD via ABC News, Det. Greg Semendinger)
In this Sept. 11, 2001 photo made by the New York City Police Department and provided by ABC News, Tuesday Feb. 9, 2010 the first World Trade Center tower begins to implode in New York, after terrorists flew two airliners into the towers. (AP Photo/NYPD via ABC News, Det. Greg Semendinger)
In this Sept. 11, 2001 photo made by the New York City Police Department and provided by ABC News, Tuesday Feb. 9, 2010 a World Trade Center tower implodes in New York, after terrorists flew two airliners into the towers. (AP Photo/NYPD, via ABC News, Det. Greg Semendinger)
In this Sept. 11, 2001 photo made by the New York City Police Department and provided by ABC News Tuesday Feb. 9, 2010, smoke and ash engulf lower Manhattan after terrorists flew two airliners into the World trade Center towers. (AP Photo/NYPD, via ABC News, Det. Greg Semendinger)
In this Sept. 11, 2001 photo made by the New York City Police Department and provided by ABC News, Tuesday Feb. 9, 2010 smoke billows from the grounds of World Trade Center in New York after terrorists flew two airliners into the towers. (AP Photo/AP Photo/NYPD via ABC News, Det. Greg Semendinger)
In this Sept. 11, 2001 photo made by the New York City Police Department and provided by ABC News Tuesday Feb. 9, 2010 smoke billows from a World Trade Center tower in New York, after terrorists flew two airliners into the towers. (AP Photo/NYPD via ABC News, Det. Greg Semendinger)
In this Sept. 11, 2001 photo made by the New York City Police Department and provided by ABC News, Tuesday Feb. 9, 2010, white ash covers the downtown area near the grounds of World Trade Center in New York, after terrorists flew two airliners into the towers. (AP Photo/NYPD via ABC News, Det. Greg Semendinger)
In this Sept. 11, 2001 photo made by the New York City Police Department and provided by ABC News, Tuesday Feb. 9, 2010, smoke billows from the grounds of World Trade Center in New York after terrorists flew two airliners into the towers. (AP Photo/NYPD via ABC News, Det. Greg Semendinger)
In this Sept. 11, 2001 photo made by the New York City Police Department and provided by ABC News, Tuesday Feb. 9, 2010 smoke and ash rise above downtown high-rise buildings and engulf lower Manhattan after terrorists flew two airliners into the World Trade Center towers. (AP Photo/NYPD, via ABC News, Det. Greg Semendinger)
In this Sept. 11, 2001 photo made the the New York City Police Department and provided by ABC News, Tuesday Feb. 9, 2010 the upper floors of the World Trade Center tower burns after terrorists flew an airliner into it. (AP Photo/NYPD, via ABC News, Det. Greg Semendinger)
